flutter_audio_capture 1.1.8 copy "flutter_audio_capture: ^1.1.8" to clipboard
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Capture the audio buffer stream through microphone for iOS/Android.

flutter_audio_capture #

Capture the audio stream buffer through microphone for iOS/Android. Required OS version is iOS 13+ or Android 23+

Getting Started #

Add this line to your pubspec.yaml file:

dependencies:
  flutter_audio_capture: ^1.1.8

and execute

$ flutter pub get

Android #

If you want to use this package on Android OS, you need to set RECORD_AUDIO permission to AndroindManifest.xml like below.

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.ymd.flutter_audio_capture">
  ...
  // Add this line
  <uses-permission android:name="android.permission.RECORD_AUDIO"/>
</manifest>

iOS #

If you want to use this package on iOS, you need to set NSMicrophoneUsageDescription to Info.plist like below.

<dict>
    <key>NSMicrophoneUsageDescription</key>
    <string>Need microphone access to capture audio</string>
...

Linux #

On Linux, this package uses parec to record audio.

While things should just work on recent Ubuntu versions, make sure to have pulseaudio installed on the target device.

Example #

You can see full example in example/lib/main.dart

import 'package:flutter_audio_capture/flutter_audio_capture.dart';
...

// Callback function if device capture new audio stream.
// argument is audio stream buffer captured through mictophone.
// Currentry, you can only get is as Float64List.
void listener(dynamic obj) {
  var buffer = Float64List.fromList(obj.cast<double>());
  print(buffer);
}

// Callback function if flutter_audio_capture failure to register
// audio capture stream subscription.
void onError(Object e) {
  print(e);
}

...

FlutterAudioCapture plugin = new FlutterAudioCapture();
// Start to capture audio stream buffer
// sampleRate: sample rate you want
// bufferSize: buffer size you want (iOS only)
await plugin.start(listener, onError, sampleRate: 16000, bufferSize: 3000);
// Stop to capture audio stream buffer
await plugin.stop();
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Capture the audio buffer stream through microphone for iOS/Android.

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Documentation

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License

MIT (license)

Dependencies

flutter

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